The thirteenth century spread enlightenment amongst the benighted people of the Middle Ages, and increased the growth of political freedom in the cities, thanks to the struggles between the Papacy and the Hohenstaufen. Zurich had early emancipated herself from the spiritual sway and influence of her abbess mistress. Already, in 1146, the people had listened with keen interest to the advanced religious teaching of Arnold of Brescia, and in the ensuing quarrels sided with the freethinking Frederick II. During the interdict of 1247-49 Frederick's staunch adherents boldly drove from the town those clergy who refused to perform their spiritual functions. On a second expulsion from the town the friars took sides with the citizens, and obeyed the order literally, for they went out by one gate of the town, and re-entered by another, and resumed their offices. That the Zurcher had grown strong and self-reliant is shown by their alliance with Rudolf of Habsburg, in the feuds against their common foes, the neighbouring nobles, whose raids they checked, and by openly resisting the heavy taxation imposed by the monarch on the city. On one occasion--it was at a drinking-bout--the chief magistrate denounced this oppressive policy most wrathfully in the very presence of the queen and her daughters. The Staufen epoch, seething with social and political movements, was also full of the spirit of romanticism. The English and French met the Germans in the Crusades, and quickened in the Fatherland the love of poetry and romance. Then the great religious wars themselves opened out a whole new world of thought and fancy. The glorification of the brilliant exploits of the Staufen sovereigns, themselves poets, inspired many a grand or lovely song, the highest flights producing the Nibelungen and the _Minnelieder_. In Swiss lands also minstrelsy flowed richly, and Zurich stands out as a "Poets' Corner" in the thirteenth century. At the hospitable manor of Roger Manesse, a famous knight and magistrate of the city, or at the great Abbey Hall, a brilliant company of singers clustered round the Princess Abbess Elizabeth, an eminent woman, and her relatives, the Prince Bishop of Constance, Henry of Klingenberg, and his brother Albrecht, the famous chevalier. Then the Prince Abbots of Einsiedeln, and the abbots of Petershausen (Constance), the counts of Toggenburg, the barons of Regensberg, of Eschenbach, and Von Wart, together with many other lords, spiritual and temporal, and many a fair and illustrious lady--all these thronged the courtly circle to listen to the recital of the _Minnelieder_, or perchance to produce their own. The famous Codex Manesse, lately at Paris, and now in Germany,[31] bears witness to the romantic character of the age. It contains the songs of some hundred and fifty German and Swiss minstrels, who sang between the years 1200 and 1350. Manesse and his son, a canon at the minster, undertook the collection out of pure enthusiasm. Their